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temp gage not reading

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Old May 4, 2006 | 11:30 AM
  #1  
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98xlt
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temp gage not reading

The needle on the coolant temp gage did not raise up at all today on my 98xlt during 1/2 hr drive to work. Usually the needle will read about 1/2 way up after about 4 minutes of running from cold. It does not appear to be overheating at all. suspect temp sender. Thermostat itself is about 3 yrs old. Any advice?
 
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Old May 4, 2006 | 01:21 PM
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As far as I know your 98 has the standard Ford single wire sending unit & if you remove the wire from it & ground it the gauge should read full hot.
 
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Old May 4, 2006 | 02:35 PM
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thanks. do you know where that sensor is located? I'm going to drive it some distance this afternoon. on the chance the t-stat is stuck open I still should get some temp rise in 30 miles unless it is the sensor I think.
 
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Old May 4, 2006 | 03:23 PM
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Should be near the t-stat housing. Red/white stripe wire.

Good point on the T-Stat, it could be stuck open, but I think they usually stick closed.

Edit

Is the heater blowing as hot as it normally does?
 

Last edited by 87 XLT; May 4, 2006 at 03:29 PM.
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Old May 4, 2006 | 08:56 PM
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heater is definitely not blowing as hot as it should. also on my trip, needle rose to just above the "C" mark rather than half way up the scale.
 
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Old May 4, 2006 | 09:35 PM
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Looks like a bad T-stat then.
 
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